Early the next morning, Sargon said goodbye to his wife and daughter, then set off with two other slaves and several Ant-Men. They all wore gray cloaks, even the Ant-Men, wrapping themselves up tightly!
Lu Zhiyu turned and went back to the castle. In the great hall, he pressed a spot above the fireplace at the front, and a section of the side wall opened, revealing a passage leading underground. He followed the stairs down, lit a torch, and continued deeper until he came upon a vast cavern that looked like a transit station.
From there, he could see four passages leading off into the distance. After choosing the Black Forest as the site for the Wizard Tower, Lu Zhiyu had used Source Substance to create these sturdy underground tunnels.
Lu Zhiyu entered the southern passage. Tracks had been laid along the floor, making it look like an old mine-cart railway. A modified cart, resembling a train, stood parked beside them.
Lu Zhiyu had started laying the tracks when construction on the Wizard Tower began. It had taken half a year, and so far, only this one line was complete; the other three were still empty. Otherwise, he wouldn't have sent Sargon to go shopping on a Pack Beast.
Once Lu Zhiyu climbed aboard and opened the gate, the tunnel car immediately started up and sped into the darkness. The track rose and dipped, and the car moved so fast it felt like a roller coaster, hurtling through the dark in a way that was genuinely nerve-racking.
Two hours later, Lu Zhiyu finally reached the terminal. He climbed out and pushed aside a hidden boulder. Light from the outside world streamed in!
"Not bad. This tunnel car is pretty fun!"
He followed the path outside and found himself in a